01 - Preheat oven to 400°F. Line a baking tray with parchment paper or aluminum foil.
02 - In a small bowl, combine olive oil, lemon zest, lemon juice, minced garlic, salt, and black pepper. Stir well.
03 - Place salmon fillets on the prepared tray and brush each evenly with the olive oil mixture.
04 - Bake fillets for 12 to 15 minutes or until salmon flakes easily with a fork.
05 - While salmon bakes, combine diced mango, red bell pepper, red onion, jalapeño (if using), cilantro, lime juice, and salt in a medium bowl. Toss gently to incorporate.
06 - Remove salmon from oven, transfer to plates, and top each fillet with a generous portion of mango salsa. Garnish with extra cilantro and lime wedges if desired, then serve immediately.